Question: Which is the enterprise that is a subsidiary of CBS?
Paraphrase: Which is the endeavor that's a backup of CBS?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P355 wd:Q43380 . ?sbj wdt:P31 wd:Q6881511 } 
Answer: CBS Corporation, Westinghouse Electric Company, ViacomCBS